package javaIO;

import java.io.*;

public class Blip3 implements Externalizable {
    private  int i;
    private String s;
    public Blip3(){System.out.println("Blip3 Constructor");}
    public Blip3(String x,int a){
        System.out.println("Blip3(String,int)");
//        this.s = x;
//        this.i = a;
    }

    @Override
    public String toString() {
        return s+i;
    }

    @Override
    public void writeExternal(ObjectOutput out) throws IOException {
        System.out.println("Blip3.writeExternal");
        out.writeObject(s);
        out.writeInt(i);
    }

    @Override
    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        System.out.println("Blip3.readExternal");
        s = (String)in.readObject();
        i = in.readInt();
    }

    public static void main(String[] args) throws IOException,ClassNotFoundException{
        System.out.println("Constructing objects");
        Blip3 b3 = new Blip3("A String",47);
        System.out.println(b3);

        ObjectOutputStream o = new ObjectOutputStream( new FileOutputStream("Blip3.out"));
        System.out.println("Saving object");
        o.writeObject(b3);
        o.close();

        ObjectInputStream in = new ObjectInputStream( new FileInputStream("Blip3.out"));
        System.out.println("Recovering b3;");
        b3 = (Blip3)in.readObject();
        System.out.println(b3);
    }
}
